[INFO] fetching crate ffi_helpers 0.2.0... [INFO] testing ffi_helpers-0.2.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate ffi_helpers 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate ffi_helpers 0.2.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate ffi_helpers 0.2.0 [INFO] finished tweaking crates.io crate ffi_helpers 0.2.0 [INFO] tweaked toml for crates.io crate ffi_helpers 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stdout] 57c66e75591a42314ea008aebe2140a854ad218bd14f9cb7562dfa25682d9509 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "57c66e75591a42314ea008aebe2140a854ad218bd14f9cb7562dfa25682d9509"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling ffi_helpers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `"docker" "inspect" "57c66e75591a42314ea008aebe2140a854ad218bd14f9cb7562dfa25682d9509"` [INFO] running `"docker" "rm" "-f" "57c66e75591a42314ea008aebe2140a854ad218bd14f9cb7562dfa25682d9509"` [INFO] [stdout] 57c66e75591a42314ea008aebe2140a854ad218bd14f9cb7562dfa25682d9509 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7d04a8e2e030b30426ebe090ada205f8e925c654b36951336ecffd80021892b9 [INFO] running `"docker" "start" "-a" "7d04a8e2e030b30426ebe090ada205f8e925c654b36951336ecffd80021892b9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling ffi_helpers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.38s [INFO] running `"docker" "inspect" "7d04a8e2e030b30426ebe090ada205f8e925c654b36951336ecffd80021892b9"` [INFO] running `"docker" "rm" "-f" "7d04a8e2e030b30426ebe090ada205f8e925c654b36951336ecffd80021892b9"` [INFO] [stdout] 7d04a8e2e030b30426ebe090ada205f8e925c654b36951336ecffd80021892b9 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6df8e75870ff95b98df9f9a2eec3dc72b77cac07202d3dfe16e137e9f8368238 [INFO] running `"docker" "start" "-a" "6df8e75870ff95b98df9f9a2eec3dc72b77cac07202d3dfe16e137e9f8368238"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ffi_helpers-039ef0c857bda1e6 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test nullable::tests::can_detect_null_pointers ... ok [INFO] [stdout] test error_handling::tests::update_the_error ... ok [INFO] [stdout] test nullable::tests::can_detect_non_null_pointers ... ok [INFO] [stdout] test nullable::tests::null_pointer_check_on_garbage_address_doesnt_segfault ... ok [INFO] [stderr] thread '' panicked at 'Oops', src/task.rs:537:13 [INFO] [stdout] test task::tests::use_the_c_api ... ok [INFO] [stdout] test error_handling::tests::take_the_last_error ... ok [INFO] [stdout] test error_handling::tests::get_the_last_error_messages_length ... ok [INFO] [stdout] test error_handling::tests::write_the_last_error_message_into_a_buffer ... ok [INFO] [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... ok [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x563c229a6cd4 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x563c229a6cd4 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x563c229a6cd4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x563c229a6cd4 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x563c229cfdac - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x563c229a36e3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x563c229a95c5 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x563c229a95c5 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x563c229a95c5 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x563c229a9302 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x563c229a9c22 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x563c228f45b1 - std::panicking::begin_panic::hbc4ace57e2a88204 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x563c22893d4a - ::run::h20f325f73ed56b46 [INFO] [stdout] test task::tests::task_can_catch_panic_messages ... ok [INFO] [stderr] at src/task.rs:537 [INFO] [stderr] 13: 0x563c2287c9e9 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::{{closure}}::h79934b3cfaec8fde [INFO] [stderr] at src/task.rs:380 [INFO] [stderr] 14: 0x563c2288cf67 - std::panicking::try::do_call::hde1183f342198597 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 15: 0x563c2288fa4d - __rust_try [INFO] [stderr] 16: 0x563c2288ccf7 - std::panicking::try::he649c26e5be5d50c [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 17: 0x563c2289ec96 - std::panic::catch_unwind::h2a0b3bae17dcc39d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x563c22883fa3 - ffi_helpers::panic::catch_panic::hc5d39fb13e9841db [INFO] [stderr] at src/panic.rs:44 [INFO] [stderr] 19: 0x563c2287cb91 - ffi_helpers::task::TaskHandle::spawn::{{closure}}::h1701bd1f724ad548 [INFO] [stderr] at src/task.rs:380 [INFO] [stderr] 20: 0x563c2289ec35 - std::sys_common::backtrace::__rust_begin_short_backtrace::h060a14098eca0d4a [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 21: 0x563c22896265 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h301f5039c752f0ae [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 22: 0x563c2289ebd8 - as core::ops::function::FnOnce<()>>::call_once::h210ca491c27fb19d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 23: 0x563c2288d010 - std::panicking::try::do_call::hef537864d90f0c66 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 24: 0x563c2288fa4d - __rust_try [INFO] [stderr] 25: 0x563c2288c9ed - std::panicking::try::h84c91c01c3d8564e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 26: 0x563c2289ecc8 - std::panic::catch_unwind::h69361dd0a5934acd [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 27: 0x563c22895d5d - std::thread::Builder::spawn_unchecked::{{closure}}::h97346c438f128279 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 28: 0x563c22888d7e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h215b207d6ef5557e [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 29: 0x563c229b07fa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 30: 0x563c229b07fa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 31: 0x563c229b07fa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 32: 0x7f36f8edc609 - start_thread [INFO] [stderr] 33: 0x7f36f8de8103 - __clone [INFO] [stderr] 34: 0x0 - [INFO] [stderr] Doc-tests ffi_helpers [INFO] [stdout] test task::tests::spawn_a_task ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 71) ... ok [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 90) ... ok [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 111) ... ok [INFO] [stdout] test src/error_handling.rs - error_handling (line 27) ... ok [INFO] [stdout] test src/split.rs - split::split_closure (line 8) ... ok [INFO] [stdout] test src/task.rs - task (line 37) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "6df8e75870ff95b98df9f9a2eec3dc72b77cac07202d3dfe16e137e9f8368238"` [INFO] running `"docker" "rm" "-f" "6df8e75870ff95b98df9f9a2eec3dc72b77cac07202d3dfe16e137e9f8368238"` [INFO] [stdout] 6df8e75870ff95b98df9f9a2eec3dc72b77cac07202d3dfe16e137e9f8368238